CN1089414A - 光信号传输网络 - Google Patents

光信号传输网络 Download PDF

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Publication number
CN1089414A
CN1089414A CN93119110A CN93119110A CN1089414A CN 1089414 A CN1089414 A CN 1089414A CN 93119110 A CN93119110 A CN 93119110A CN 93119110 A CN93119110 A CN 93119110A CN 1089414 A CN1089414 A CN 1089414A
Authority
CN
China
Prior art keywords
branch
otdr
transmission network
wavelength
branch road
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN93119110A
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English (en)
Chinese (zh)
Inventor
S·P·希普利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GPT Ltd
Plessey Telecommunications Ltd
Original Assignee
GPT Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB929202564A external-priority patent/GB9202564D0/en
Application filed by GPT Ltd filed Critical GPT Ltd
Publication of CN1089414A publication Critical patent/CN1089414A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3181—Reflectometers dealing with polarisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3136—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR for testing of multiple fibers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
CN93119110A 1992-02-07 1993-10-13 光信号传输网络 Pending CN1089414A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929202564A GB9202564D0 (en) 1992-02-07 1992-02-07 Optical signal transmission network
GB9221835A GB2264018B (en) 1992-02-07 1992-10-16 Optical signal transmission network
GB9221835.3 1992-10-16

Publications (1)

Publication Number Publication Date
CN1089414A true CN1089414A (zh) 1994-07-13

Family

ID=26300281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93119110A Pending CN1089414A (zh) 1992-02-07 1993-10-13 光信号传输网络

Country Status (8)

Country Link
EP (1) EP0625295B1 (fi)
JP (1) JPH07503821A (fi)
CN (1) CN1089414A (fi)
AU (1) AU662962B2 (fi)
CA (1) CA2129012A1 (fi)
DE (1) DE69328294T2 (fi)
FI (1) FI943652A0 (fi)
WO (1) WO1993016533A1 (fi)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895339A (zh) * 2010-07-21 2010-11-24 国网电力科学研究院 电力光缆网故障预警和定位的实现方法
CN102244539A (zh) * 2010-05-11 2011-11-16 华为技术有限公司 分支光纤检测方法及系统、无源光网络和分光器
CN102356571A (zh) * 2011-08-22 2012-02-15 华为技术有限公司 一种光分配网的故障检测方法、装置和光网络系统
CN106165315A (zh) * 2013-12-02 2016-11-23 株式会社秀利得 利用聚合物波长可调谐激光器的光时域反射仪

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383015A (en) * 1992-12-22 1995-01-17 At&T Corp. Optical time domain reflectometry measurements on a multi-branch optical network using multiwavelength pass filters
JP3346233B2 (ja) * 1997-08-18 2002-11-18 ケイディーディーアイ株式会社 光伝送線路監視装置
JP2001235772A (ja) * 2000-02-22 2001-08-31 Sumitomo Electric Ind Ltd ラマン増幅制御装置および光伝送システム
US10608736B2 (en) 2003-03-03 2020-03-31 Alexander Soto System and method for performing in-service optical network certification
CN101360984B (zh) * 2006-02-03 2011-07-20 株式会社藤仓 光线路监视装置和光线路监视方法
WO2013141765A1 (en) * 2012-03-20 2013-09-26 Telefonaktiebolaget Lm Ericsson (Publ) A system, a wavelength isolator and methods therein for supervision of a passive optical network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8828408D0 (en) * 1988-12-06 1989-01-05 British Telecomm Loss detector
GB8906937D0 (en) * 1989-03-28 1989-05-10 Plessey Telecomm Testing optical fibre links

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244539A (zh) * 2010-05-11 2011-11-16 华为技术有限公司 分支光纤检测方法及系统、无源光网络和分光器
WO2011140913A1 (zh) * 2010-05-11 2011-11-17 华为技术有限公司 分支光纤检测方法及系统、无源光网络和分光器
CN102244539B (zh) * 2010-05-11 2014-09-17 华为技术有限公司 分支光纤检测方法及系统、无源光网络和分光器
US8917987B2 (en) 2010-05-11 2014-12-23 Huawei Technologies Co., Ltd. Method and apparatus for detecting branch fibers, and passive optical network
CN101895339A (zh) * 2010-07-21 2010-11-24 国网电力科学研究院 电力光缆网故障预警和定位的实现方法
CN101895339B (zh) * 2010-07-21 2013-07-17 国网电力科学研究院 电力光缆网故障预警和定位的实现方法
CN102356571A (zh) * 2011-08-22 2012-02-15 华为技术有限公司 一种光分配网的故障检测方法、装置和光网络系统
WO2012149709A1 (zh) * 2011-08-22 2012-11-08 华为技术有限公司 一种光分配网的故障检测方法、装置和光网络系统
CN102356571B (zh) * 2011-08-22 2014-06-25 华为技术有限公司 一种光分配网的故障检测方法、装置和光网络系统
TWI475813B (fi) * 2011-08-22 2015-03-01
CN106165315A (zh) * 2013-12-02 2016-11-23 株式会社秀利得 利用聚合物波长可调谐激光器的光时域反射仪
CN106165315B (zh) * 2013-12-02 2018-10-16 株式会社秀利得 利用聚合物波长可调谐激光器的光时域反射仪

Also Published As

Publication number Publication date
AU3505593A (en) 1993-09-03
FI943652A (fi) 1994-08-05
JPH07503821A (ja) 1995-04-20
FI943652A0 (fi) 1994-08-05
DE69328294D1 (de) 2000-05-11
WO1993016533A1 (en) 1993-08-19
EP0625295A1 (en) 1994-11-23
CA2129012A1 (en) 1993-08-19
DE69328294T2 (de) 2000-12-28
EP0625295B1 (en) 2000-04-05
AU662962B2 (en) 1995-09-21

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